Souzas weather in January

In January, Souzas sees average daytime highs of 28°C and overnight lows near 20°C, with 259 mm of rain across 22.4 wet days and about 13.2 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 15% of the time in January, and the air most often feels muggy.

Daylight stretches from about 13 h 24 min at the start of January to 13 h 06 min by month's end. Set against the rest of the year, January is Souzas's 12th-clearest and 11th-windiest month. For the whole year in context, see Souzas's year-round climate.

Daytime high
28°
2nd warmest
Overnight low
20°
12th coldest
Rainfall
259 mm
22.4 wet days
Daylight
13 h 18 min
6:39 AM – 7:55 PM
Cloud cover
74%
12th clearest
Wind
9 km/h
11th windiest
Solar energy
5.55 kWh/m²
Travel score
4.1
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical January day in Souzas reaches about 28°C in the afternoon and slips back to 20°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 32°C. Set against its neighbours, January runs on par with December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12820
22820
32820
42820
52820
62820
72820
82820
92820
102820
112820
122820
132820
142820
152820
162820
172820
182820
192820
202820
212820
222820
232820
242820
252920
262920
272920
282920
292920
302920
312920

Souzas weather by month

How January compares with the rest of the year at a glance. January is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 20°25922.413.24.1
Feb29° / 20°17518.912.84.2
Mar28° / 19°13817.412.25.1
Apr27° / 17°688.711.56.8
May24° / 15°66710.97.5
Jun24° / 13°484.910.68.1
Jul24° / 13°444.310.78.3
Aug25° / 14°364.211.28.1
Sep27° / 16°848.611.96.9
Oct28° / 17°12513.412.55.9
Nov28° / 18°16115.913.15.4
Dec28° / 19°20420.213.44.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 71%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
22971
32971
42971
52872
62872
72773
82773
92773
102773
112773
122971
132971
142971
153070
163070
173070
182971
192971
202971
213070
223070
233070
243070
253169
263268
273268
283268
293367
303367
313367

Chance of precipitation in January

Any precipitation

Souzas gets around 259 mm of rain over 22.4 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 71% and peaks near 72% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
169
269
370
470
571
671
771
872
972
1072
1172
1271
1371
1471
1571
1671
1771
1871
1971
2071
2172
2272
2372
2472
2572
2672
2772
2872
2972
3072
3171

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the muggy band about 72% of days. Sticky, muggy-or-worse air turns up on roughly 78% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1223696
2223696
3222697
4221707
5221707
6120727
7120727
8119737
9119737
10119737
11119737
12119737
13119737
14119746
15119746
16120736
17120736
18220735
19220735
20220735
21220735
22220735
23219745
24219745
25319735
26318745
27318745
28317755
29417745
30416755
31516736

Wind in January

Winds average 9 km/h in January.

Across January, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 24 min at the start of January to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over January. Sunrise moves from 6:30 AM to 6:49 AM, and sunset from 7:52 PM to 7:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.46:307:52
213.46:307:53
313.46:317:53
413.46:317:53
513.46:327:54
613.46:337:54
713.36:337:54
813.36:347:54
913.36:357:54
1013.36:357:55
1113.36:367:55
1213.36:377:55
1313.36:377:55
1413.36:387:55
1513.36:397:55
1613.36:397:55
1713.36:407:55
1813.26:417:55
1913.26:417:55
2013.26:427:55
2113.26:437:55
2213.26:437:55
2313.26:447:55
2413.26:457:54
2513.16:457:54
2613.16:467:54
2713.16:477:54
2813.16:477:54
2913.16:487:53
3013.16:497:53
3113.16:497:53

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.55 kWh/m².

For context, solar energy here swings from a low near 3.61 kWh/m² to a high of 5.94 kWh/m² in November across the year — January's 5.55 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.7Bright
315.7Bright
Planning a trip in January

Hazard calendar for Souzas

In seasonPeak

In January, Souzas sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Souzas's rainy season runs October–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Souzas?

Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.1
Sightseeing
12th-best month of the year
4.9
Beach & pool
12th-best month of the year

January is a reasonable time to visit Souzas for sightseeing.

What to pack for Souzas in January

From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In January, Souzas sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Souzas in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Souzas peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 6 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 20UV 15Jul 12UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov14Extreme
Dec14Extreme

Air quality in Souzas in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Souzas is worst in July — around 38 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (January, 18 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 1838 µg/m³Jan 1018 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb20Moderate
Mar22Moderate
Apr26Moderate
May31Moderate
Jun35Poor
Jul38Poor
Aug36Poor
Sep35Poor
Oct25Moderate
Nov18Moderate
Dec18Moderate
Location & terrain

Where is Souzas?

Souzas sits at 22.9°S, 47.0°W, 649 m above sea level, in Brazil. The nearest listed city is Campinas, 10 km away.

Topography around Souzas

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Souzas.

Within 3 km, the terrain around Souzas has only modest variations in elevation — a maximum elevation change of 178 m around an average of 697 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 518 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,220 m.

The land around Souzas is covered by trees (49%) and grassland (30%) within 3 km, trees (38%) and grassland (32%) within 16 km, and trees (40%), grassland (27%) and cropland (23%) within 80 km.

3 km
178 m
16 km
518 m
80 km
1,220 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Campinas 10 km · Valinhos 11 km · Vinhedo 17 km · Itatiba 19 km · Jaguariúna 19 km · Louveira 23 km · Paulínia 23 km · Hortolândia 26 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Souzas (-22.8792°, -46.9644°, elevation 649 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).